Cyrus IMAP 2.4.21 Release Notes¶
- Fixed Issue #885: timsieved segfault (thanks Christian Henz) 
- Fixed Issue #2199: better recovery from mupdate failure (thanks Michael Menge) 
- Fixed: sync_client now replicates annotations in user/mailbox mode (thanks John Capo) 
- Fixed: build failure with LibreSSL 2.7 (thanks Bernard Spil) 
- Fixed: XFER now correctly distinguishes between 2.3.x releases 
- Fixed Issue #3123: XFER now recognises 3.1, 3.2 and 3.3 backends 
- Fixed: XFER now syslogs a warning when it doesn't recognise the backend Cyrus version